US2865492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flight mounting for chain conveyor
Assignee: Individual
•
Filing: 1954-11-30
•
Granted: 1958-12-23
•
Expires: 1974-11-30
Abstract
No abstract record available.
Inventors
- 👤 William P Bigler
- 👤 Joseph G Bigler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:14
CPC Classifications
B; B65; B65G; B65G19/00; B65G19/04; B65G19/06; B65G19/08; B65G19/18; B65G19/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2469524A
Cited
US1917134A
Cited
US1936498A
Cited
US2226989A
Cited
US2381108A
Cited
US2450501A
Cited
US2756867A
Cited
US2756868A
Cited
US2684236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |